US11761598B2 - Candle lamp light source and electronic candle lamp - Google Patents

Candle lamp light source and electronic candle lamp Download PDF

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Publication number
US11761598B2
US11761598B2 US17/850,048 US202217850048A US11761598B2 US 11761598 B2 US11761598 B2 US 11761598B2 US 202217850048 A US202217850048 A US 202217850048A US 11761598 B2 US11761598 B2 US 11761598B2
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United States
Prior art keywords
plug
candle lamp
circuit board
outer shell
inner housing
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Active
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US17/850,048
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US20230044410A1 (en
Inventor
Gaole Zhang
Zhixuan ZHANG
Kang Zhou
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Hangzhou Binary Optoelectronics & Tech Co Ltd
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Hangzhou Binary Optoelectronics & Tech Co Ltd
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Assigned to HANGZHOU BINARY OPTOELECTRONICS & TECH CO., LTD. reassignment HANGZHOU BINARY OPTOELECTRONICS & TECH CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Zhang, Gaole, ZHANG, Zhixuan, ZHOU, Kang
Publication of US20230044410A1 publication Critical patent/US20230044410A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/04—Lighting devices or systems producing a varying lighting effect simulating flames
    • F21S10/043—Lighting devices or systems producing a varying lighting effect simulating flames by selectively switching fixed light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/04—Lighting devices or systems producing a varying lighting effect simulating flames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/001—Lighting devices intended to be free-standing being candle-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present disclosure relates to the technical field of luminaires, and in particular to a candle lamp light source and an electronic candle lamp.
  • the electronic candles simulate the candle flame in two following modes. One is to simulate the flame effect by controlling brightness and flicker of an LED lamp, and the other is to drive through an electromagnetic force a light source piece to shake, so as to simulate the swinging candle flame.
  • the first kind of electronic candle has a dull candle effect and poor effect of imitating burning of the candle flame.
  • the second kind of electronic candle as the electromagnetic field and light reflection principle are utilized, the candle piece usually has good effect as being observed on the front, but as the candle piece is of a plane structure, the effect is unfavorable when being observed from the side.
  • the electronic candle has a complex structure, the brightness of reflected light is usually weak, and the assembling process is also relatively cumbersome.
  • An embodiment of the present disclosure provides a candle lamp light source, including a candle lamp body and a plug-in component;
  • the candle lamp body is connected to the plug-in component
  • the plug-in component is provided with at least two plug-in pins
  • the at least two plug-in pins are configured to be detachably connected to a lamp holder.
  • the candle lamp body includes: a candle lamp shade and a lamp core, and the candle lamp shade is sleeved outside the lamp core.
  • a light-emitting surface of the lamp core extends in a circumferential direction of the lamp core, and a central angle corresponding to the light-emitting surface is 360 degrees.
  • the lamp core includes: a transparent substrate and a plurality of LED chips, the plurality of LED chips are arranged at intervals, and the plurality of LED chips are mounted on the transparent substrate.
  • An embodiment of the present disclosure further provides an electronic candle lamp, including: a lamp holder and a candle lamp light source,
  • the candle lamp light source includes a candle lamp body and a plug-in component
  • the candle lamp body is connected to the plug-in component
  • the plug-in component is provided with at least two plug-in pins
  • the plug-in component is detachably connected to the lamp holder through the at least two plug-in pins.
  • the lamp holder includes: a cell box and an outer shell; and
  • the cell box is mounted inside the outer shell, and the plug-in component is detachably connected to a top portion of the outer shell.
  • a plug-in socket is mounted on the outer shell, and the plug-in component is detachably inserted into the plug-in socket.
  • a circuit board is provided in the outer shell, the cell box is connected to the circuit board, and the circuit board is detachably connected to the plug-in socket.
  • the lamp holder further includes a plug-in flat cable, one end of the plug-in flat cable is connected to the plug-in socket, and the other end of the plug-in flat cable is connected to the circuit board.
  • the plug-in flat cable includes a first connector, a second connector, and a flat cable connected between the first connector and the second connector, one of the first connector and the second connector is connected to the plug-in socket, and the other is connected to a socket on the circuit board.
  • the candle lamp shade is detachably connected to the outer shell, or the candle lamp shade is integrally connected to the outer shell to form an integrated structure.
  • a circuit board provided along a length direction of the outer shell is mounted in the outer shell, and one end of the circuit board close to the plug-in component is provided with a plug-in terminal, and the circuit board is connected to the plug-in component by inserting the plug-in terminal into a bottom of the plug-in socket.
  • the other end of the circuit board close to the cell box is electrically connected to at least one cell in the cell box through a long electrode.
  • the outer shell is provided therein with an inner housing formed by splicing a first inner housing and a second inner housing, and the inner housing is sleeved outside the plug-in socket, the circuit board, and the cell box which are sequentially connected.
  • an upper portion of the plug-in socket is provided with a flange structure having protruding portions provided at intervals in a circumferential direction.
  • top portions of the first inner housing and the second inner housing are provided with grooves matched with the protruding portions.
  • the electronic candle lamp further includes a switch assembly provided at the bottom of the inner housing configured to enable on and off of the electronic candle lamp by a pressing action.
  • a tail cap is sleeved outside the switch assembly, and the tail cap is in threaded connection with the inner housing and further joined (engaged) with the outer shell.
  • an infrared receiver is mounted on the circuit board, and the infrared receiver is connected to a controller of the candle lamp light source.
  • FIG. 1 is a schematic view of a candle lamp light source provided in an embodiment of the present disclosure
  • FIG. 2 is a schematic view of another candle lamp light source provided in an embodiment of the present disclosure.
  • FIG. 3 is a schematic view of a further candle lamp light source provided in an embodiment of the present disclosure.
  • FIG. 4 is a schematic view of an electronic candle lamp provided in an embodiment of the present disclosure.
  • FIG. 5 is a schematic view of another electronic candle lamp provided in an embodiment of the present disclosure.
  • FIG. 6 is a perspective structural view of a further electronic candle lamp provided in an embodiment of the present disclosure.
  • FIG. 7 is an exploded view of a further electronic candle lamp provided in an embodiment of the present disclosure.
  • FIG. 8 is another exploded view of a further electronic candle lamp provided in an embodiment of the present disclosure.
  • orientation or positional relationships indicated by terms such as “center”, “upper”, “lower” “left”, “right”, “vertical”, “horizontal”, “inner”, and “outer” are based on orientation or positional relationships as shown in the accompanying drawings, merely for facilitating the description of the present disclosure and simplifying the description, rather than indicating or implying that related devices or elements have to be in the specific orientation, or configured and operated in a specific orientation, therefore, they should not be construed as limitation on the present disclosure.
  • terms “first”, “second”, and “third” are merely for descriptive purpose, but should not be construed as indicating or implying importance in the relativity.
  • the physical quantities in the formula if not individually labeled, are to be understood as basic quantities of basic units of the international system of units, or derived quantities derived from the basic quantities by mathematical operations such as multiplication, division, differentiation or integration.
  • connection may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, or may also be an electrical connection; it may be a direct connection, an indirect connection through an intermediary, or inner communication between two elements.
  • the candle lamp light source and the electronic candle lamp provided by the present disclosure alleviate the technical problems of complex assembling process and low assembling efficiency of the electronic candle lamps in the prior art, and has good candle flame simulation effect and convenient use.
  • a candle lamp light source provided in an embodiment of the present disclosure includes: a candle lamp body (i.e., an illuminant part of a lamp core) 100 and a plug-in component (i.e., a circuit part of the lamp core) 200 ; and
  • the candle lamp body 100 is connected to the plug-in component 200 , the plug-in component 200 is provided with plug-in pins 201 , and the plug-in pins 201 are configured to be detachably connected to a lamp holder 300 .
  • the plug-in component 200 When the plug-in pin 201 is connected to the lamp holder 300 , the plug-in component 200 is in interference fit with the lamp holder 300 .
  • the plug-in component 200 can be installed on the lamp holder 300 , and the plug-in component 200 can be detached from the lamp holder 300 .
  • the candle lamp light source can be used as a replaceable accessory of the electronic candle lamp, and the installation of the candle lamp light source does not need welding, facilitating the assembling and replacement of the candle lamp light source, improving the assembling efficiency, and facilitating mass production.
  • the plug-in component 200 may be provided as an integrated circuit, so as to integrally install electronic parts and components such as a control chip, and improve the structural compactness of the electrical components of the product.
  • the candle lamp body 100 includes: a candle lamp shade 110 and a lamp core 120 , and the candle lamp shade 110 is sleeved outside the lamp core 120 .
  • the candle lamp shade 110 is made of a silica gel material, and the candle lamp shade 110 can be made to be in any flame shape to be simulated, so as to ensure that the flame simulation is more vivid.
  • the candle lampshade 110 is sleeved outside the lamp core 120 , and the candle lampshade 110 can be detached and replaced as required, so that the candle lampshade 110 with a desired flame shape can be flexibly selected as required.
  • the lamp core 120 includes: a transparent substrate 121 and a plurality of LED chips 122 , wherein the plurality of LED chips 122 are arranged at intervals, and the plurality of LED chips 122 are mounted on the transparent substrate 121 .
  • the transparent substrate 121 is a light-transmitting PCB board.
  • a plurality of LED chips 122 are attached to one side of transparent substrate 121 .
  • the LED chips are matched with the transparent substrate, then the light-emitting effect of 360 degrees without shielding can be realized, that is, the effects that a light-emitting surface of the lamp core 120 extends in a circumferential direction of the lamp core 120 and a central angle corresponding to the light-emitting surface is 360 degrees can be realized.
  • the lamp core 120 can realize all-orientation lighting of 360 degrees, similar to the 360-degree light-emitting effect of real candle flame, and close to the real candle flame no matter being observed from which viewing angle.
  • the lamp core 120 can be subjected to programmable controlling by a control chip, so that the number of the LED chips 122 to be lighted and the order of lighting the LED chips 122 can be selected, thus, various flame combustion effects can be simulated according to specific requirements, such as flame flickering, flame swing, and upward fleeing of flame.
  • an electronic candle lamp provided in an embodiment of the present disclosure includes: a lamp holder 300 and the candle lamp light source as described above, wherein a plug-in component 200 is detachably connected to the lamp holder 300 .
  • the plug-in component 200 is detachably connected to the lamp holder 300 in a plug-in manner, so as to facilitate the disassembling and replacement of the candle lamp light source.
  • the candle lamp light source can be replaced, so that the lamp holder 300 is continuously used, avoiding unnecessary resource waste.
  • the lamp holder 300 includes: a cell box 310 and an outer shell 320 ; and
  • the cell box 310 is mounted inside the outer shell 320 , and the plug-in component 200 is detachably connected to the top portion of the outer shell 320 .
  • the candle lamp shade 110 of the candle lamp light source may be detachably connected to the outer shell 320 .
  • the candle lamp shade 110 of the candle lamp light source may be integrally connected to the outer shell 320 , forming an integrated structure.
  • the cell box 310 is mounted at the bottom of the outer shell 320 , a cell 3100 may be mounted inside the cell box 310 , the candle lamp light source is powered by the cell 3100 in the cell box 310 , and the plug-in component 200 is detachably connected to the outer shell 320 in a plug-in manner.
  • the cell box 310 is in threaded connection with the outer shell 320 .
  • An external thread is provided on an outer side wall of the cell box 310
  • an internal thread is provided on an inner side wall of the outer shell 320 dose to the bottom, such that threaded connection between the cell box 310 and the bottom of the outer shell 320 is achieved through the external thread and the internal thread.
  • a plug-in socket 321 is mounted on the outer shell 320 , and the plug-in component 200 is detachably inserted into the plug-in socket 321 .
  • the outer shell 320 may be of an integrated structure, or the plug-in socket 321 may be separated from the housing, the plug-in socket 321 is provided with a jack adapted to the plug-in component 200 , and the plug-in component 200 is installed on the plug-in socket 321 in a plug-in manner.
  • a circuit board 330 provided in a direction perpendicular to a length direction of the outer shell 320 is provided in the outer shell 320 , the cell box 310 is connected to the circuit board 330 , and the circuit board 330 is detachably connected to the plug-in socket 321 .
  • the circuit board 330 is connected to the outer shell 320 or an inner housing 220 , or the circuit board 330 is connected to the cell box 310 , the cell in the cell box 310 is electrically connected with the circuit board 330 , and the circuit board 330 is electrically connected with the plug-in pin 201 , so as to supply power to the candle lamp light source.
  • the lamp holder 300 further includes a plug-in flat cable 340 , wherein one end of the plug-in flat cable 340 is connected to the plug-in socket 321 , and the other end of the plug-in flat cable 340 is connected to the circuit board 330 .
  • the plug-in flat cable 340 includes: a first connector 3401 , a second connector 3402 , and a flat cable 3403 , wherein the flat cable is connected between the first connector 3401 and the second connector 3402 , one of the first connector 3401 and the second connector 3402 is connected to the plug-in socket 321 , the other of the first connector 3401 and the second connector 3402 is connected to a socket on the circuit board 330 .
  • the plug-in flat cable 340 being disassembled/assembled in the plug-in manner facilitates the assembling and maintenance.
  • an infrared receiver 350 is mounted on the circuit board 330 , and the infrared receiver 350 is connected to a controller of the candle lamp light source.
  • the controller may be a remote controller.
  • a light-emitting mode and/or light-emitting time of the candle lamp light source can be adjusted in a remote control manner, so as to simulate a desired candle flame effect, and set the light-emitting time of the candle lamp as required, realizing the remote control or timing function.
  • the outer shell 320 is provided therein with an inner housing 220 detachably or integrally.
  • the inner housing 220 is formed by splicing two parts, i.e. a first inner housing 2201 and a second inner housing 2202 , and is sleeved outside the plug-in socket 321 , the circuit board 330 , and the cell box 310 which are sequentially connected from top to bottom (namely, along the direction from the lamp core of the electronic candle lamp to the bottom of the electronic candle lamp).
  • Cross-sections of the first inner housing 2201 and the second inner housing 2202 are semi-circular.
  • an upper portion of the plug-in socket 321 is provided with a flange structure 2001 having protruding portions 2002 provided at intervals in a circumferential direction.
  • Top portions of the first inner housing 2201 and the second inner housing 2202 are provided with grooves 2203 matched with the protruding portions 2002 .
  • the circuit board 330 is provided along a length direction of the inner housing 220 (that is, a length direction of the outer shell 320 ), and is provided with a plug-in terminal 331 at one end dose to the plug-in socket 321 .
  • the plug-in terminal 331 By inserting the plug-in terminal 331 into the bottom of the plug-in socket 321 , the connection between the plug-in component 200 and the circuit board 330 can be realized.
  • the other end of the circuit board 330 dose to the cell box 310 is electrically connected to the cell 3100 in the cell box 310 through a long electrode 334 .
  • recesses 3301 are respectively provided on two lateral sides of the circuit board 330 , step-shaped protrusions 2204 corresponding to the recesses 3301 and capable of being snap-fitted with the recesses 3301 are provided on an inner side wall of the first inner housing 2201 , and through the snap-fitting between the recesses 3301 and the corresponding step-shaped protrusions 2204 , the circuit board 330 can be stably fixed inside the inner housing 220 .
  • a plurality of cylindrical projecting structures 2205 are provided on two lateral sides of the first inner housing 2201 , and through holes 2206 are provided at portions of two lateral sides of the second inner housing 2202 corresponding to the cylindrical projecting structures 2205 of the first inner housing 2201 .
  • an infrared receiver is mounted on the circuit board, and the infrared receiver is connected to the controller of the candle lamp light source.
  • a switch assembly 221 configured to enable on and off of the electronic candle lamp by a pressing action is further provided at the bottom of the inner housing 220 , and a tail cap 222 is sleeved outside the switch assembly 221 .
  • the tail cap 222 is provided with an internal thread on an inner side thereof, and can be in threaded connection with the bottom of the inner housing 220 , that is, the tail cap 222 can be in threaded connection with the inner housing and further joined with the outer shell 320 .
  • the candle lamp light source and the electronic candle lamp of the present disclosure includes the candle lamp body and the plug-in component, the candle lamp body is connected to the plug-in component, the plug-in component is provided with at least two plug-in pins, and the at least two plug-in pins are configured to be detachably connected to the lamp holder.
  • the present disclosure does not need to assemble the candle lamp light source by means of excessive welding, facilitating disassembling and replacing of the candle lamp light source, and alleviating the technical problems of complex assembling process and low assembling efficiency of the electronic candle in the prior art;
  • the lamp shade of the electronic candle lamp of the present disclosure is made of a silica gel material, and can be made to be in the flame shape to be simulated, thereby ensuring that the flame simulation is more vivid, the candle flame simulation effect is good, and the use is convenient.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
US17/850,048 2021-08-05 2022-06-27 Candle lamp light source and electronic candle lamp Active US11761598B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110896249.5 2021-08-05
CN202110896249.5A CN113464892A (zh) 2021-08-05 2021-08-05 蜡烛灯光源及电子蜡烛灯

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US20230044410A1 US20230044410A1 (en) 2023-02-09
US11761598B2 true US11761598B2 (en) 2023-09-19

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US17/850,048 Active US11761598B2 (en) 2021-08-05 2022-06-27 Candle lamp light source and electronic candle lamp

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US (1) US11761598B2 (zh)
EP (1) EP4290125A1 (zh)
CN (1) CN113464892A (zh)
WO (1) WO2023010640A1 (zh)

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US20060146544A1 (en) * 2005-01-05 2006-07-06 Leung Moses K LED candle
US20140211499A1 (en) * 2013-01-25 2014-07-31 Peter Sui Lun Fong Device with simulated flame
US20160146414A1 (en) * 2013-07-30 2016-05-26 Shenzhen Yameite Technology Co. Ltd. Illumination devices
US20160327227A1 (en) * 2015-05-05 2016-11-10 MJ Products, Inc. Light engine for and method of simulating a flame
WO2019105186A1 (zh) * 2017-11-28 2019-06-06 扬州市铭品工艺品有限公司 一种新型电子蜡烛
US10605413B1 (en) * 2019-02-28 2020-03-31 Ledvance Llc Light emitting diode filament lamp with V-geometry
US20210080070A1 (en) * 2019-09-17 2021-03-18 Young March Co., Ltd. Flameless candle with simulated flame and wick
US11009200B1 (en) * 2020-07-22 2021-05-18 Nantong Ya Tai Candle Arts & Crafts Co., Ltd. Lampshade and flameless candle comprising the same

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CN213207690U (zh) * 2020-01-31 2021-05-14 东莞市上亿电子科技有限公司 一种仿真蜡烛火焰头
CN213900906U (zh) * 2020-11-27 2021-08-06 台州市塞邦贸易有限公司 一种新型蜡烛灯
CN213777574U (zh) * 2020-12-15 2021-07-23 台州市塞邦贸易有限公司 一种灯芯以及具有其的电子蜡烛
CN215061800U (zh) * 2021-05-24 2021-12-07 佛山市摩根智能科技有限公司 一种插接式仿真电子蜡烛
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Publication number Priority date Publication date Assignee Title
US20060146544A1 (en) * 2005-01-05 2006-07-06 Leung Moses K LED candle
US20140211499A1 (en) * 2013-01-25 2014-07-31 Peter Sui Lun Fong Device with simulated flame
US20160146414A1 (en) * 2013-07-30 2016-05-26 Shenzhen Yameite Technology Co. Ltd. Illumination devices
US20160327227A1 (en) * 2015-05-05 2016-11-10 MJ Products, Inc. Light engine for and method of simulating a flame
WO2019105186A1 (zh) * 2017-11-28 2019-06-06 扬州市铭品工艺品有限公司 一种新型电子蜡烛
US10605413B1 (en) * 2019-02-28 2020-03-31 Ledvance Llc Light emitting diode filament lamp with V-geometry
US20210080070A1 (en) * 2019-09-17 2021-03-18 Young March Co., Ltd. Flameless candle with simulated flame and wick
US11009200B1 (en) * 2020-07-22 2021-05-18 Nantong Ya Tai Candle Arts & Crafts Co., Ltd. Lampshade and flameless candle comprising the same

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US20230044410A1 (en) 2023-02-09
EP4290125A1 (en) 2023-12-13
WO2023010640A1 (zh) 2023-02-09
CN113464892A (zh) 2021-10-01

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